ok, ive got a 99 7.3 all stock (future mods coming SOON) with a K/N filter and intake (was on it when i bought it). ive been reading about the best intakes and air filters out there. ive searched, and searched, and searched some more, but im no further now, then i was when i started

it seems like the napa filter is a preety good on, and a tymra filter (??) also.
can i put the napa filter on my K/N intake and be done with it???

Yes you can put the Napa 6637 filter on your K&N intake tube. Have the same setup on mine. I also cut my factroy airbox some so i could still use the battery cover and route air from the front of the truck to the filter.

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